WO2017063463A1 - Procédé permettant de fournir un service de positionnement, station de base et terminal - Google Patents

Procédé permettant de fournir un service de positionnement, station de base et terminal Download PDF

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Publication number
WO2017063463A1
WO2017063463A1 PCT/CN2016/097850 CN2016097850W WO2017063463A1 WO 2017063463 A1 WO2017063463 A1 WO 2017063463A1 CN 2016097850 W CN2016097850 W CN 2016097850W WO 2017063463 A1 WO2017063463 A1 WO 2017063463A1
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WO
WIPO (PCT)
Prior art keywords
base station
positioning
information
terminal
positioning service
Prior art date
Application number
PCT/CN2016/097850
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English (en)
Chinese (zh)
Inventor
李男
胡南
丁海煜
Original Assignee
中国移动通信集团公司
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Application filed by 中国移动通信集团公司 filed Critical 中国移动通信集团公司
Priority to US15/768,545 priority Critical patent/US10314002B2/en
Publication of WO2017063463A1 publication Critical patent/WO2017063463A1/fr

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W64/00—Locating users or terminals or network equipment for network management purposes, e.g. mobility management
    • H04W64/003—Locating users or terminals or network equipment for network management purposes, e.g. mobility management locating network equipment
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S19/00—Satellite radio beacon positioning systems; Determining position, velocity or attitude using signals transmitted by such systems
    • G01S19/01—Satellite radio beacon positioning systems transmitting time-stamped messages, e.g. GPS [Global Positioning System], GLONASS [Global Orbiting Navigation Satellite System] or GALILEO
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S19/00—Satellite radio beacon positioning systems; Determining position, velocity or attitude using signals transmitted by such systems
    • G01S19/01—Satellite radio beacon positioning systems transmitting time-stamped messages, e.g. GPS [Global Positioning System], GLONASS [Global Orbiting Navigation Satellite System] or GALILEO
    • G01S19/03—Cooperating elements; Interaction or communication between different cooperating elements or between cooperating elements and receivers
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S5/00—Position-fixing by co-ordinating two or more direction or position line determinations; Position-fixing by co-ordinating two or more distance determinations
    • G01S5/02—Position-fixing by co-ordinating two or more direction or position line determinations; Position-fixing by co-ordinating two or more distance determinations using radio waves
    • G01S5/0257—Hybrid positioning
    • G01S5/0263—Hybrid positioning by combining or switching between positions derived from two or more separate positioning systems
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/02—Services making use of location information
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W64/00—Locating users or terminals or network equipment for network management purposes, e.g. mobility management
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W76/00—Connection management
    • H04W76/10—Connection setup
    • H04W76/14—Direct-mode setup
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
    • H04W88/08—Access point devices

Definitions

  • the present disclosure relates to the field of wireless communications, and in particular, to a method, a base station, and a terminal for providing a location service.
  • the positioning accuracy of GPS Global Positioning System
  • the plane position error is less than 100m
  • the elevation error is less than 1.56m.
  • the single-point positioning accuracy of the GPS has been improved, it can only reach 20 to 40 m, and the positioning accuracy of the Beidou positioning system is also similar.
  • the above accuracy levels are difficult to meet the accuracy requirements of some application areas, such as: aircraft landing, ship arrival, vehicle network scheduling.
  • the industry has proposed to use GPS/Beidou differential positioning method to improve positioning accuracy.
  • the positioning accuracy can reach meters or even centimeters.
  • the wide-area difference is separated and estimated by the positioning server, and the satellite satellite ephemeris, the satellite clock error correction and the atmospheric delay model are used for single-point positioning, thereby improving the positioning accuracy and positioning.
  • the error is basically independent of the distance from the user to the base station.
  • the wide-area difference method is complicated in technology, and it has a large investment, a long period of time, and involves many industries and departments.
  • the use of the idle channel of the broadcast signal to propagate the differential information also requires the terminal to add additional receivers and corresponding software parsing functions, and thus is not suitable for a large number of required location services.
  • the single-station differential structure and algorithm are simple and mature, and are suitable for differential positioning in a small range.
  • the terminal can only receive a correction signal from a base station due to single station differential, the reliability of the system Poor.
  • the base station fails, the location service cannot be provided.
  • the regional difference Since the regional difference has multiple reference stations and takes into account the influence of the position on the differential correction, the reliability of the entire system and the positioning accuracy of the user are greatly improved. However, as with the single station difference, the effects caused by various error sources are considered together in the processing. When the distance between the base station and the terminal is long, the error is large and the precision is low.
  • the existing differential positioning method requires an additional communication link with the terminal to transmit "positioning correction information", which increases the cost and complexity of the terminal.
  • positioning correction information increases the cost and complexity of the terminal.
  • a large number of positioning base stations need to be built, adding a lot of construction and maintenance costs.
  • the present disclosure provides a method, a base station, and a terminal for providing a positioning service, which solves the problem that the differential positioning method is complicated and the construction and maintenance cost is high in the prior art.
  • a method for providing a location service is provided, which is applied to a base station, the method comprising:
  • the positioning service capability indication information includes: indication information of whether the base station supports the positioning service, positioning service type information supported by the base station, positioning function type information supported by the base station, and positioning service supported by the base station One or more of the accuracy information and/or delay guarantee information.
  • the sending the location service capability indication information to the terminal includes:
  • the positioning service capability indication information is sent to the terminal by using an application layer message of the base station.
  • the method further includes:
  • the terminal According to the location service request, the terminal provides corresponding location service information.
  • the terminal provides corresponding positioning service information, including:
  • the corresponding positioning service information is provided to the terminal through unicast.
  • the total amount of data corresponding to different transmission modes is determined, and the bearer mode with the smallest total data overhead is selected as the corresponding positioning to the terminal.
  • the bearer mode for providing the corresponding location service information to the terminal is determined according to the delay parameter carried in the location service request.
  • the sending moment of the positioning service information is determined by the base station according to the delay parameter carried in the positioning service request.
  • the sending period of the positioning service information is determined by the base station according to the positioning service information sending period parameter carried in the positioning service request.
  • the location service information is provided to the terminal according to the location service request, including:
  • the location service information matching the location service type and the location function type is provided to the terminal according to the location service type and the location function type carried in the location service request.
  • the method further includes:
  • the base station fails to satisfy the location service request, forwards the location service request to the neighboring base station or the location server;
  • the neighboring base station or the location server When the neighboring base station or the location server can satisfy the location service request, the neighboring base station or the location server forwards the location service information provided by the terminal that initiates the location service request to the terminal.
  • a method for providing a location service which is applied to a terminal, and the method includes:
  • the location service capability indication information includes: indication information of whether the base station supports the location service, location service type information supported by the base station, location function type information supported by the base station, One or more of accuracy information and/or delay guarantee information of the positioning service supported by the base station.
  • the method further includes:
  • reporting the location service request to the base station includes:
  • the location service request is reported to the base station of the serving cell according to at least one of the location service type, the location function type, and the location service requirement of the application or the service supported by the terminal.
  • a base station comprising:
  • a first sending module configured to send the positioning service capability indication information to the terminal, where the positioning service capability indication information includes: indication information of whether the base station supports the positioning service, location service type information supported by the base station, and a positioning function type supported by the base station One or more of information, accuracy information of the positioning service supported by the base station, and/or delay guarantee information.
  • a terminal comprising:
  • the second receiving module is configured to receive the location service capability indication information that is sent by the base station of the serving cell, where the location service capability indication information includes: indication information of whether the base station supports the location service, location service type information supported by the base station, and the base station Supported positioning function type information, base One or more of the accuracy information and/or delay guarantee information of the location service supported by the station.
  • At least one of the above technical solutions has the following beneficial effects:
  • the terminal directly interacts with the base station, and the base station directly provides the corresponding positioning service information for the terminal, which greatly reduces the transmission delay and improves the positioning accuracy of the terminal to a certain extent.
  • FIG. 1 shows a flow chart of a method of providing a location service in a first embodiment of the present disclosure
  • FIG. 2 is a flow chart showing a method of providing a location service in a second embodiment of the present disclosure
  • FIG. 3 is a flow chart showing a method of providing a location service in a third embodiment of the present disclosure
  • FIG. 4 is a flow chart showing a method of providing a location service in a fifth embodiment of the present disclosure
  • Figure 5 is a block diagram showing a base station in a sixth embodiment of the present disclosure.
  • Fig. 6 is a block diagram showing the terminal of the seventh embodiment of the present disclosure.
  • a first embodiment of the present disclosure provides a method of providing a location service, which is applied to a base station.
  • the base station may be a TD-SCDMA/TD-LTE network base station, and is of course not limited thereto.
  • the method specifically includes the following step S101.
  • step S101 the location service capability indication information is sent to the terminal.
  • the terminal provides the positioning service capability indication information for indicating whether the terminal sends the positioning service request.
  • the location service capability indication information mentioned herein includes, for example, the base station is indication information that all supports the location service, the location service type information supported by the base station (supported location service types, such as GPS, Beidou, Glonass, etc.), and the base station.
  • Supported positioning function type information such as providing basic location information of the base station, providing wide-area differential correction information, providing single-station or regional differential correction information), accuracy information of the positioning service supported by the base station, and/or delay guarantee information (accuracy) One or more of the rank, the delay grade).
  • the sending the location service capability indication information to the terminal includes:
  • the positioning service capability indication information is sent to the terminal by using an application layer message of the base station.
  • the base station may also send the positioning service capability indication information to the terminals in the coverage of the serving cell in other manners, which are not illustrated here.
  • the method may further include the following steps S102 and S103.
  • step S102 the receiving terminal requests the location service according to the location service capability indication information.
  • the terminal when the location service capability indication information sent to the terminal indicates that the base station supports the location service capability, the terminal sends a location service request to the base station, or when the location service capability indication information sent to the terminal indicates that the base station supports When the location service type includes the location service type supported by the terminal, the terminal sends a location service request to the base station to save unnecessary signaling overhead.
  • the base station receives the location service request reported by the terminal in the cell coverage area, and the location service request may be carried by the dedicated signaling or the application layer signaling. That is, the base station receives the location service request sent by the terminal through the application layer message.
  • step S103 corresponding positioning service information is provided to the terminal according to the positioning service request.
  • the base station can provide the location service, and the provided location service capability satisfies the location service request of the terminal, or when the neighboring base station or the location server of the base station can provide the location service and can satisfy the location service request of the terminal, provide the terminal with the location service request Corresponding location service information.
  • the network service is refused to provide corresponding location service information, and a location service rejection response is sent to the terminal. .
  • the locating service information is provided in the following manner: the base station provides the corresponding positioning service information to the terminal by using the broadcast mode; or the corresponding positioning service information is provided to the terminal through the multicast mode; or The corresponding positioning service information is provided to the terminal through unicast.
  • the determining of the bearer mode of the location service information may be implemented according to one of the following ways:
  • the base station determines the number of terminals that initiate the positioning service request within a predetermined time period or a predetermined service period to minimize the related signaling overhead required for the system positioning service.
  • different bearer modes may be determined for different location service type location services. That is to say, the base station determines the bearer mode of the location service information according to the number of terminals requesting the location service request with the same location service type initiated within a certain time or period.
  • the base station when the number of terminals that initiate a positioning service request of a certain positioning service type exceeds the first threshold in a certain period of time or period, the base station carries the positioning service information by broadcasting; when a positioning service request of a certain positioning service type is initiated The base station adopts the multicast mode to carry the location service information when the number of terminals exceeds the second threshold value of the first threshold; when the number of terminals that initiate the location service request of a certain location service type is lower than the second threshold The base station carries the location service information in a unicast manner.
  • the first threshold value and the second threshold value those skilled in the art can set as needed, as long as the basic requirements of different transmission modes such as a broadcast mode, a multicast mode, and a unicast mode are satisfied.
  • the base station determines the number of terminals that need to provide location services within a predetermined time period or a predetermined service period to minimize the related signaling overhead required for the system location service. Specifically, the base station determines the bearer mode of the location service information according to the number of terminals having the same location service type requirement in a certain time or period. For the specific determination method, reference may be made to the first method, and therefore no further details are provided herein.
  • Manner 3 Determine according to the amount of location service information that is expected to be sent within a predetermined time period or a predetermined service period. For example, when the amount of information of the location service information to be sent by a certain location service type exceeds the first threshold in a certain period of time or period, the base station carries the location service information by broadcasting; when a certain location service is available within a certain time or period When the amount of information about the location service information to be sent exceeds the second threshold value lower than the first threshold, the base station uses the multicast mode to carry the location service information; when a certain type of service is required within a certain time or period When the amount of information of the sent location service information is lower than the second threshold, the base station carries the location service information in a unicast manner.
  • the first threshold value and the second threshold value those skilled in the art can set as needed, as long as the basic requirements of different transmission modes such as a broadcast mode, a multicast mode, and a unicast mode are satisfied.
  • the base station may also determine the number of terminals that need to provide positioning services and the amount of positioning information according to a predetermined time or a predetermined service period to determine the total amount of data corresponding to different sending modes.
  • the bearer mode with the smallest total data overhead is used as the bearer mode for providing the corresponding location service information to the terminal.
  • the number of terminals that the base station can request by the positioning service of the positioning service type and the corresponding positioning service information sending period determine the total data corresponding to the positioning service information that needs to be transmitted by using different bearer modes in a certain period of time or period.
  • the bearer mode with the smallest total data cost is used to carry the location service information.
  • Manner 5 Determine a bearer mode for providing corresponding location service information to the terminal according to the delay parameter carried in the location service request. Specifically, when the terminal establishes a lower delay (s level) for the positioning service, and the positioning service terminal has more, the base station transmits in a broadcast or multicast manner. For example, the broadcast information SIB_X is newly defined, and the transmission period is s-level; or some subframes are configured as MBSFN subframes for multicast. When the terminal establishes a high delay for the positioning service (ms level), the base station can transmit in a unicast manner. When the terminal has a lower delay requirement for the positioning service (s level) and the number of terminals requiring the positioning service is small, the base station transmits in a unicast manner.
  • s level the broadcast information SIB_X is newly defined, and the transmission period is s-level; or some subframes are configured as MBSFN subframes for multicast.
  • the terminal directly interacts with the base station, and the base station directly provides the corresponding positioning service information for the terminal, which greatly reduces the transmission delay and improves the positioning accuracy of the terminal to a certain extent.
  • the above first embodiment provides a brief introduction to the method for providing a location service in the present disclosure. This will be further described below with reference to FIG. 2, specifically including step S201 and step S202.
  • step S201 the receiving terminal requests the location service according to the location service capability indication information.
  • the positioning service request carries the positioning precision, the delay parameter, and the positioning service information sending period parameter required by the terminal. Specifically, the sending time of the positioning service information is determined by the base station according to the delay parameter carried in the positioning service request, and the sending period of the positioning service information is determined by the base station according to the positioning service information sending period parameter carried in the positioning service request.
  • step S202 the positioning service information matching the positioning accuracy parameter is provided to the terminal according to the positioning precision parameter carried in the positioning service request.
  • the positioning accuracy parameters sent by the terminal there is an information bit that indicates the accuracy requirement or accuracy level required by the terminal.
  • the accuracy level is divided into 1-9 levels from high to low, characterized by 3 bits of information.
  • the 3 bit information bit in the positioning accuracy parameter represents an accuracy level of 3, indicating that the base station can meet the accuracy requirement of the terminal, and can provide corresponding positioning service information.
  • the delay level can be divided into 1-9 levels from high to low, and is also characterized by 3bit information.
  • the delay parameter sent by the terminal has the delay requirement or delay level required by the information user to characterize the terminal.
  • the third embodiment specifically includes the following steps S301 to S302, as shown in FIG. 3.
  • step S301 the receiving terminal requests the location service according to the location service capability indication information.
  • the location service request includes a location service type and a location function type required by the terminal.
  • the location service types include: GPS satellite positioning service, Beidou satellite positioning service, GLONASS (GLONASS) satellite positioning service, base station assisted positioning service, enhanced cell identification positioning, arrival time difference positioning method, base station location information, and the like.
  • the positioning function types include: wide-area differential positioning function, single-station differential positioning function, base station basic position information function, and base station-assisted satellite positioning function.
  • step S302 the location service information matching the location service type and the location function type is provided to the terminal according to the location service type and the location function type carried in the location service request.
  • the base station selects the location service information that matches the location service type and the location function type that the terminal requires.
  • the location service type of the terminal is GPS satellite positioning and the location function type is auxiliary search star service
  • the base station or the location server can provide the terminal with location information of the GPS satellite searchable at the terminal location, such as satellite number and satellite elevation angle.
  • location information of the GPS satellite searchable at the terminal location such as satellite number and satellite elevation angle.
  • One or more kinds of information such as satellite azimuth, satellite clock parameter, and ephemeris parameters.
  • the base station or the positioning server may provide the terminal with the location information of the Beidou satellite searchable at the terminal location, such as the satellite number, the satellite elevation angle, Satellite azimuth, satellite clock parameter, ephemeris parameters, etc., and one or more of differential information satellite identification, differential distance error index, regional user distance error index, and equivalent clock error correction required for wide-area difference.
  • the positioning service type of the terminal is Beidou satellite positioning and the positioning function type is single station differential positioning
  • the base station or the positioning server sends the locally corrected position error or distance error parameter to the terminal for differential positioning enhancement.
  • the second embodiment and the third embodiment respectively introduce two implementation manners for providing location service information for the terminal, where the foregoing two methods can be implemented in combination.
  • the positioning service type, the positioning function type, the positioning accuracy, the delay parameter, and the positioning service information sending period parameter required by the base station integrated terminal select the corresponding positioning service information for the terminal.
  • location service type is "Beidou differential positioning”
  • accuracy level is “1”
  • delay level is “2”
  • base station can provide positioning
  • the service capability is:
  • the type of "location service” that can be supported includes “Beidou differential positioning” and "GPS differential positioning”.
  • the "accuracy level” is a service that can provide accuracy level 1 when supporting Beidou differential positioning, "delay level”
  • a service with a delay level of 1 can be provided. It can be seen that the base station can meet the positioning service requirements required by the terminal, and can provide corresponding positioning service information for the terminal.
  • the method of providing location services is also applicable to the following scenarios:
  • the location service request is forwarded to the neighboring base station or the location server.
  • the neighboring base station or the location server When the neighboring base station or the location server can satisfy the location service request, the neighboring base station or the location server forwards the location service information provided by the terminal that initiates the location service request to the terminal.
  • the information in the location service request sent by the terminal is: “location service type” is “Beidou differential positioning”, “accuracy level” is “1”, “delay level” is “2”; positioning provided by the base station
  • the service capability is:
  • the supported “location service type” includes “Beidou differential positioning” and “GPS differential positioning”, and the "accuracy level” is to provide a service with an accuracy level of 2 when supporting Beidou differential positioning, "delay level”
  • a service with a delay level of 2 can be provided.
  • the base station cannot meet the positioning service requirements required by the user terminal.
  • the base station can obtain the location service type and corresponding capability of the neighboring base station or the positioning server through the communication mode such as the X2 interface or the data private line, and build the terminal for the terminal.
  • the virtual bearer becomes the relay node of the terminal location service.
  • the positioning service capability that a neighboring base station can provide is as follows: the supported "location service type" includes "Beidou differential positioning" and "GPS differential positioning", and the "accuracy level" is to support the Beidou differential positioning. A service with a precision level of 1 is provided.
  • the “delay level” provides a service with a delay level of 1 when the Beidou differential positioning is supported. It can be seen that the neighboring base station can meet the positioning service requirement of the terminal.
  • the base station determines whether the neighboring base station can meet the positioning service "delay level" requirement of the terminal by using the "delay level" of the positioning service of the neighboring base station and the round-trip delay of the signaling interaction with the neighboring base station. For example, when it is determined that the service requirement can be met, the positioning service bearer is established to the neighboring base station, and the positioning service message is actually provided by the neighboring base station, and is transmitted to the base station through the inter-base station interface, and then sent by the base station to the terminal.
  • the method for providing a location service specifically includes step S401.
  • step S401 the positioning service capability indication information delivered by the base station of the serving cell is received.
  • the positioning service capability indication information includes: indication information of whether the base station supports the positioning service (whether or not the positioning service capability information is supported), and location service type information supported by the base station (supported positioning service type, such as GPS) , Beidou, Glonass, etc.), positioning function type information supported by the base station (such as providing base station basic position information, providing wide-area differential correction information, providing single-station or regional differential correction information), accuracy information of the positioning service supported by the base station, and/or One or more of the delay guarantee information (accuracy level, delay level).
  • the method may further include steps S402 and S403.
  • step S402 the location service request is reported to the base station according to the location service capability indication information.
  • the terminal when the location service capability indication information sent to the terminal indicates that the base station supports the location service capability, the terminal sends a location service request to the base station, or when the location service capability indication information sent to the terminal indicates that the base station supports When the location service type includes the location service type supported by the terminal, the terminal sends a location service request to the base station to save unnecessary signaling overhead.
  • the terminal reports a location service request to the base station to which the serving cell is currently located, where the location service request may be carried by dedicated signaling or application layer signaling. That is, the terminal may send a location service request to the base station through the application layer message.
  • step S403 the receiving base station provides a corresponding positioning service letter according to the positioning service request. interest.
  • the terminal When the base station can provide the location service, and the provided location service capability satisfies the location service request of the terminal, or when the neighboring base station or the location server of the base station can provide the location service and can satisfy the location service request of the terminal, the terminal receives the base station. Provide corresponding location service information.
  • the terminal receives the location service rejection response sent when the base station rejects the location service request.
  • the bearer mode of the location service information is determined by the base station according to the number of terminals that initiate the location service request within a predetermined time or a predetermined service period to minimize the related signaling overhead required for the system location service.
  • different bearer modes may be determined for different positioning service type location services, that is, the base station determines the location service information according to the number of terminals that have the same location service type requesting location service request initiated within a certain time or period. The way of carrying.
  • the base station when the number of terminals that initiate a positioning service request of a certain positioning service type exceeds the first threshold in a certain period of time or period, the base station carries the positioning service information by broadcasting; when a positioning service request of a certain positioning service type is initiated The base station adopts the multicast mode to carry the location service information when the number of terminals exceeds the second threshold value of the first threshold; when the number of terminals that initiate the location service request of a certain location service type is lower than the second threshold The base station carries the location service information in a unicast manner.
  • the first threshold value and the second threshold value those skilled in the art can set as needed, as long as the basic requirements of different transmission modes such as a broadcast mode, a multicast mode, and a unicast mode are satisfied.
  • the location service request is reported to the base station, including:
  • the location service request is reported to the base station of the serving cell according to at least one of the location service type, the location function type, and the location service requirement of the application or the service supported by the terminal. And providing, by the base station, the sending to the base station according to the obtained positioning service capability indication information combined with the positioning service type supported by the terminal, the positioning function type, and the positioning service requirement of the terminal application or the service.
  • the terminal sends a location service request to the base station.
  • embodiments of the present disclosure can reduce construction and maintenance costs by utilizing existing mobile cellular base stations to provide corresponding positioning services without the need to construct a large number of positioning reference stations.
  • the terminal directly interacts with the base station, and the base station directly provides the corresponding positioning service information for the terminal, which greatly reduces the transmission delay and improves the positioning accuracy of the terminal to a certain extent.
  • a base station is also provided. As shown in FIG. 5, the base station includes a first transmitting module 51.
  • the first sending module 51 is configured to send the positioning service capability indication information to the terminal.
  • the location service capability indication information includes: indication information of whether the base station supports the location service, location service type information supported by the base station, location function type information supported by the base station, accuracy information of the location service supported by the base station, and/or delay guarantee information. One or more of them.
  • the first sending module 51 may further include:
  • a first sending unit configured to send the positioning service capability indication information to the terminal by using a broadcast message of the base station
  • a second sending unit configured to send positioning service capability indication information to the terminal by using a common search area of control signaling of the base station;
  • a third sending unit configured to send the positioning service capability indication information to the terminal by using the radio resource control information of the base station;
  • a fourth sending unit configured to send the positioning service capability indication information to the terminal by using an application layer message of the base station.
  • the base station further includes:
  • a first receiving module configured to receive, by the terminal, a positioning service request that is reported according to the location service capability indication information
  • the processing module is configured to provide corresponding positioning service information to the terminal according to the positioning service request.
  • the processing module includes:
  • a first processing unit configured to provide corresponding positioning service information to the terminal by using a broadcast manner
  • a second processing unit configured to provide corresponding positioning service information to the terminal by using a multicast mode
  • the third processing unit is configured to provide corresponding positioning service information to the terminal by using a unicast manner.
  • the base station further includes:
  • a first bearer module configured to determine, according to the number of terminals that initiate a positioning service request within a predetermined time period or a predetermined service period, a bearer mode for providing corresponding positioning service information to the terminal;
  • a second bearer module configured to determine, according to the number of terminals that need to provide a positioning service within a predetermined time period or a predetermined service period, a bearer mode for providing corresponding positioning service information to the terminal;
  • a third bearer module configured to determine, according to the amount of location service information that is expected to be sent within a predetermined time period or a predetermined service period, a bearer mode for providing corresponding positioning service information to the terminal;
  • the fourth bearer module is configured to determine the number of terminals that need to provide the positioning service and the amount of positioning information according to the predetermined time or the predetermined service period, to determine the total amount of data corresponding to different sending modes, and select the bearer mode with the smallest total data overhead. As a bearer manner for providing corresponding positioning service information to the terminal; or
  • the fifth bearer module is configured to determine, according to the delay parameter carried in the location service request, a bearer manner for providing corresponding positioning service information to the terminal.
  • the base station further includes:
  • a first determining module configured to determine, according to a delay parameter carried in the positioning service request, a sending moment of the positioning service information
  • the second determining module is configured to determine a sending period of the positioning service information according to the positioning service information sending period parameter carried in the positioning service request.
  • the processing module further includes:
  • a fourth processing unit configured to provide positioning service information that matches the positioning accuracy parameter to the terminal according to the positioning precision parameter carried in the positioning service request;
  • the fifth processing unit is configured to provide the location service information that matches the location service type and the location function type to the terminal according to the location service type and the location function type carried in the location service request.
  • the base station further includes:
  • a first forwarding module configured to forward a positioning service request to a neighboring base station or a positioning server when the base station cannot meet the positioning service request
  • the second forwarding module is configured to: when the neighboring base station or the positioning server can meet the positioning service request, forward the positioning service information provided by the neighboring base station or the positioning server to the terminal that initiates the positioning service request to the terminal.
  • a terminal is also provided. As shown in FIG. 6, the terminal includes a second receiving module 61.
  • the second receiving module 61 is configured to receive the positioning service capability indication information that is sent by the base station of the serving cell.
  • the location service capability indication information includes: indication information of whether the base station supports the location service, location service type information supported by the base station, location function type information supported by the base station, accuracy information of the location service supported by the base station, and/or delay guarantee information. One or more of them.
  • the terminal further includes:
  • a second sending module configured to report a positioning service request to the base station according to the location service capability indication information
  • the third receiving module is configured to receive corresponding positioning service information provided by the base station according to the positioning service request.
  • the second sending module includes:
  • the fifth sending unit is configured to report a positioning service request to the base station of the serving cell according to at least one of a positioning service type, a positioning function type, and a positioning service requirement of the application or the service supported by the terminal.
  • the terminal corresponds to the method for providing a location service introduced in the foregoing fifth embodiment. All the implementation manners in the foregoing method embodiments are applicable to the embodiment of the terminal, and the same technical effect can be achieved.

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Position Fixing By Use Of Radio Waves (AREA)

Abstract

La présente invention porte sur un procédé permettant de fournir un service de positionnement, sur une station de base et sur un terminal. Le procédé permettant de fournir un service de positionnement consiste à : envoyer des informations d'indication de capacité de fourniture de service de positionnement à un terminal ; recevoir une demande de service de positionnement rapportée par le terminal en fonction des informations d'indication de capacité de fourniture de service de positionnement ; et fournir des informations de service de positionnement correspondantes au terminal en fonction de la demande de service de positionnement. Dans le contenu de la présente invention, un service de positionnement correspondant est fourni à l'aide d'une station de base cellulaire mobile existante, un grand nombre de stations de base de positionnement n'ont pas besoin d'être construites et, par conséquent, les coûts de construction et de maintenance peuvent être réduits. De plus, le terminal interagit directement avec la station de base et la station de base fournit directement des informations de service de positionnement correspondantes au terminal, ce qui permet de réduire fortement le délai de transmission et d'améliorer la précision de positionnement du terminal dans une certaine mesure.
PCT/CN2016/097850 2015-10-15 2016-09-02 Procédé permettant de fournir un service de positionnement, station de base et terminal WO2017063463A1 (fr)

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CN201510666776.1A CN106604390B (zh) 2015-10-15 2015-10-15 一种提供定位服务的方法、基站及终端
CN201510666776.1 2015-10-15

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CN106604390A (zh) 2017-04-26

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